Lines Matching +full:cortex +full:- +full:m4
1 // SPDX-License-Identifier: GPL-2.0-only
49 * struct imx_rproc_mem - slim internal memory structure
61 /* M4 own area. Can be mapped at probe */
66 u32 da; /* device address (From Cortex M4 view)*/
92 /* OCRAM_S (M4 Boot code) - alias */
96 /* OCRAM (Code) - alias */
98 /* OCRAM_EPDC (Code) - alias */
100 /* OCRAM_PXP (Code) - alias */
104 /* DDR (Code) - alias, first part of DDR (Data) */
121 /* TCML (M4 Boot Code) - alias */
125 /* OCRAM_S (Code) - alias */
129 /* DDR (Code) - alias, first part of DDR (Data) */
134 /* OCRAM_S (Data) - alias? */
160 struct imx_rproc *priv = rproc->priv; in imx_rproc_start()
161 const struct imx_rproc_dcfg *dcfg = priv->dcfg; in imx_rproc_start()
162 struct device *dev = priv->dev; in imx_rproc_start()
165 ret = regmap_update_bits(priv->regmap, dcfg->src_reg, in imx_rproc_start()
166 dcfg->src_mask, dcfg->src_start); in imx_rproc_start()
168 dev_err(dev, "Failed to enable M4!\n"); in imx_rproc_start()
175 struct imx_rproc *priv = rproc->priv; in imx_rproc_stop()
176 const struct imx_rproc_dcfg *dcfg = priv->dcfg; in imx_rproc_stop()
177 struct device *dev = priv->dev; in imx_rproc_stop()
180 ret = regmap_update_bits(priv->regmap, dcfg->src_reg, in imx_rproc_stop()
181 dcfg->src_mask, dcfg->src_stop); in imx_rproc_stop()
183 dev_err(dev, "Failed to stop M4!\n"); in imx_rproc_stop()
191 const struct imx_rproc_dcfg *dcfg = priv->dcfg; in imx_rproc_da_to_sys()
195 for (i = 0; i < dcfg->att_size; i++) { in imx_rproc_da_to_sys()
196 const struct imx_rproc_att *att = &dcfg->att[i]; in imx_rproc_da_to_sys()
198 if (da >= att->da && da + len < att->da + att->size) { in imx_rproc_da_to_sys()
199 unsigned int offset = da - att->da; in imx_rproc_da_to_sys()
201 *sys = att->sa + offset; in imx_rproc_da_to_sys()
206 dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%zx\n", in imx_rproc_da_to_sys()
208 return -ENOENT; in imx_rproc_da_to_sys()
213 struct imx_rproc *priv = rproc->priv; in imx_rproc_da_to_va()
223 * address (M4) to system bus address first. in imx_rproc_da_to_va()
229 if (sys >= priv->mem[i].sys_addr && sys + len < in imx_rproc_da_to_va()
230 priv->mem[i].sys_addr + priv->mem[i].size) { in imx_rproc_da_to_va()
231 unsigned int offset = sys - priv->mem[i].sys_addr; in imx_rproc_da_to_va()
233 va = (__force void *)(priv->mem[i].cpu_addr + offset); in imx_rproc_da_to_va()
238 dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%p\n", in imx_rproc_da_to_va()
253 const struct imx_rproc_dcfg *dcfg = priv->dcfg; in imx_rproc_addr_init()
254 struct device *dev = &pdev->dev; in imx_rproc_addr_init()
255 struct device_node *np = dev->of_node; in imx_rproc_addr_init()
259 for (a = 0; a < dcfg->att_size; a++) { in imx_rproc_addr_init()
260 const struct imx_rproc_att *att = &dcfg->att[a]; in imx_rproc_addr_init()
262 if (!(att->flags & ATT_OWN)) in imx_rproc_addr_init()
268 priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, in imx_rproc_addr_init()
269 att->sa, att->size); in imx_rproc_addr_init()
270 if (!priv->mem[b].cpu_addr) { in imx_rproc_addr_init()
272 return -ENOMEM; in imx_rproc_addr_init()
274 priv->mem[b].sys_addr = att->sa; in imx_rproc_addr_init()
275 priv->mem[b].size = att->size; in imx_rproc_addr_init()
279 /* memory-region is optional property */ in imx_rproc_addr_init()
280 nph = of_count_phandle_with_args(np, "memory-region", NULL); in imx_rproc_addr_init()
289 node = of_parse_phandle(np, "memory-region", a); in imx_rproc_addr_init()
299 priv->mem[b].cpu_addr = devm_ioremap_resource(&pdev->dev, &res); in imx_rproc_addr_init()
300 if (IS_ERR(priv->mem[b].cpu_addr)) { in imx_rproc_addr_init()
302 err = PTR_ERR(priv->mem[b].cpu_addr); in imx_rproc_addr_init()
305 priv->mem[b].sys_addr = res.start; in imx_rproc_addr_init()
306 priv->mem[b].size = resource_size(&res); in imx_rproc_addr_init()
315 struct device *dev = &pdev->dev; in imx_rproc_probe()
316 struct device_node *np = dev->of_node; in imx_rproc_probe()
319 struct regmap_config config = { .name = "imx-rproc" }; in imx_rproc_probe()
332 rproc = rproc_alloc(dev, "imx-rproc", &imx_rproc_ops, in imx_rproc_probe()
335 return -ENOMEM; in imx_rproc_probe()
339 ret = -EINVAL; in imx_rproc_probe()
343 priv = rproc->priv; in imx_rproc_probe()
344 priv->rproc = rproc; in imx_rproc_probe()
345 priv->regmap = regmap; in imx_rproc_probe()
346 priv->dcfg = dcfg; in imx_rproc_probe()
347 priv->dev = dev; in imx_rproc_probe()
357 priv->clk = devm_clk_get(dev, NULL); in imx_rproc_probe()
358 if (IS_ERR(priv->clk)) { in imx_rproc_probe()
360 ret = PTR_ERR(priv->clk); in imx_rproc_probe()
365 * clk for M4 block including memory. Should be in imx_rproc_probe()
368 ret = clk_prepare_enable(priv->clk); in imx_rproc_probe()
370 dev_err(&rproc->dev, "Failed to enable clock\n"); in imx_rproc_probe()
383 clk_disable_unprepare(priv->clk); in imx_rproc_probe()
393 struct imx_rproc *priv = rproc->priv; in imx_rproc_remove()
395 clk_disable_unprepare(priv->clk); in imx_rproc_remove()
403 { .compatible = "fsl,imx7d-cm4", .data = &imx_rproc_cfg_imx7d },
404 { .compatible = "fsl,imx6sx-cm4", .data = &imx_rproc_cfg_imx6sx },
413 .name = "imx-rproc",